package servlet;

import pojo.User;
import service.impl.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;
//注解
@WebServlet(urlPatterns = "/user")
public class UserServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        // TODO
        UserServiceImpl userService = new UserServiceImpl();

        //把数据放在请求域中
        req.setAttribute("userList", userService.findAll());
        //在那个页面显示数据
        req.getRequestDispatcher("/user.jsp").forward(req, resp);
    }
}
